Clethra barbinervis

Clethra barbinervis, the Japanese clethra, is a species of flowering plant in the family Clethraceae. It is native to eastern Asia, where it is found in southern China, Korea, and Japan.[3] Its natural habitat is in open mountain forests.[4] It is a common species in Japan,[5] and is often found in disturbed secondary forests.[6]

Clethra barbinervis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Ericales
Family: Clethraceae
Genus: Clethra
Species:
C. barbinervis
Binomial name
Clethra barbinervis
Synonyms[2]
  • Clethra japonica Thunb. ex Steud. nom. inval.
  • Clethra kawadana Yanagita
  • Clethra stolonifera Nakai
  • Clethra wuyishanica R.C.Ching ex L.C.Hu

It is an upright shrub growing to 3 m (9.8 ft). Its leaves are deciduous, dark green, and are 5 cm (2 in) long. Racemes of small, fragrant, white flowers 15 cm (6 in) long are produced in late summer and autumn. Mature specimens have peeling bark. The bark is plain, blackish brown with twigs turning back.[7]

This plant has gained the Royal Horticultural Society's Award of Garden Merit.[8][9] Though hardy in cultivation, it requires a sheltered location in temperate regions.[10]

  • Flowers in bud with foliage
    Flowers in bud with foliage
  • Bursting buds
    Bursting buds
  • Closeup of flowers
    Closeup of flowers

References
Wikimedia Commons has media related to Clethra barbinervis.
  1. Wu, J.; Botanic Gardens Conservation International (BGCI).; IUCN SSC Global Tree Specialist Group. (2019). "Clethra barbinervis". IUCN Red List of Threatened Species. 2019: e.T18749575A147627175. doi:10.2305/IUCN.UK.2019-2.RLTS.T18749575A147627175.en. Retrieved 31 July 2023.
  2. "The Plant List: A Working List of All Plant Species". Retrieved 19 September 2015.
  3. Kew World Checklist of Selected Plant Families
  4. Clethra barbinervis Flora of China
  5. Ohwi, Jisaburo (1965). Flora of Japan. Smithsonian Institution. p. 690.
  6. Clethra barbinervis (in Japanese), Okayama University Plant Ecology Laboratory
  7. "매화오리나무". 두산백과 (in Korean). Retrieved 2021-04-03.
  8. "Clethra barbinervis". RHS. Retrieved 12 April 2020.
  9. "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 16. Retrieved 24 January 2018.
  10. RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 978-1405332965.
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